Organic conjugated material-based broadband terahertz wave modulators

被引：45

作者：

Yoo, Hyung Keun ^{[1
,2
]}

Kang, Chul ^{[2
]}

Yoon, Youngwoon ^{[1
]}

Lee, Hanju ^{[1
]}

Lee, Joong Wook ^{[2
]}

Lee, Kiejin ^{[1
]}

Kee, Chul-Sik ^{[2
,3
]}

机构：

[1] Sogang Univ, Dept Phys, Seoul 121742, South Korea

[2] GIST, Adv Photon Res Inst, Nanophoton Lab, Kwangju 500712, South Korea

[3] Ctr Subwavelength Opt, Seoul, South Korea

来源：

APPLIED PHYSICS LETTERS | 2011年 / 99卷 / 06期

关键词：

TIME-DOMAIN SPECTROSCOPY; THIN-FILMS; SILICON;

D O I：

10.1063/1.3626591

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A simple and efficient broadband terahertz (THz) wave modulator based on an organic conjugated material thin film, 200-nm thick organic copper phthalocyanine (CuPc) film, deposited on a Si wafer was proposed. External laser beams significantly decrease the transmittance of THz pulses through the CuPc film over all frequency of the pulse. Modulation efficiency reaches as high as 55% under a cw-laser beam of 80 mW. (C) 2011 American Institute of Physics. [doi:10.1063/1.3626591]

引用

页数：3

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